Doxygen build failure

[stonier]

https://github.com/kobuki-base/kobuki_core/runs/2524102431?check_suite_focus=true

No useful error reporting from that...just dies. Spurious flake?

[stonier]

There has been a few commits over the May 4/5 in the github action supporting this - https://github.com/mattnotmitt/doxygen-action/commits/master.

Check in a couple of days to see if it has resolved itself or send an issue.